Taisen, a Japanese word for Great Battle. Now you know ... But are you ready? Are you ready for the Great Battle of Sudoku! 4x4 grid with 432 ways to play and you are the puzzle! In Sudoku Taisen 4x4, it is much more challenging to complete your grid because you are sharing 8 squares (shared squares are called Taisen Square) with your opponent(s). Your opponents can place a number to prevent you from completing your grid. Therefore, you need to stack your opponent's number with your desired number, so you may complete your grid. Your opponents will surely do the same to you. Furthermore, additional challenge, your fate of winning also depends on your dice roll and the Taisen Card you draw. Contents: 20 Taisen Cards 88 Chips 1 Die 1 Board (two sides) 1 Manual Board is designed for two or four players. It can also be used for one player and three players. Related to: Sudoku Taisen 6x6: The Great Battle of Sudoku